Latitude 7420/Latitude 7420 2-in-1 Service Manual

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Removing the WLAN antenna module

Prerequisites

  1. Follow the procedure in before working inside your computer.
  2. Remove the microSD card.
  3. Remove the base cover.

About this task

The following images indicate the location of the WLAN antenna module and provide a visual representation of the removal procedure.

Removing the WLAN antenna module.

Steps

  1. Remove the (M2x2) screw that secures the WLAN bracket to the system board.
  2. Disconnect the WLAN antenna cables from the wireless module.
  3. Remove the WLAN antenna cables from the routing guides on the system board.
  4. Remove the two (M2x2.5) screws that secure the WLAN antenna module to the system.
  5. Lift the WLAN antenna module away from the system.
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